:root {
    --ink: #111111;
    --muted: #6b6b6b;
    --line: #e5e5e5;
    --bg: #ffffff;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 16px 20px; flex-wrap: wrap; }
.logo img { height: 36px; }
.main-nav { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.main-nav a { color: var(--ink); text-decoration: none; text-transform: uppercase; font-size: 13px; letter-spacing: 0.05em; }
.main-nav a:hover { text-decoration: underline; }
.lang-switch select { border: 1px solid var(--line); padding: 6px 10px; background: var(--bg); font-size: 13px; }
.site-search { display: flex; }
.site-search input[type="search"] { border: 1px solid var(--line); border-right: 0; padding: 6px 10px; background: var(--bg); font-size: 13px; width: 160px; max-width: 100%; }
.site-search button { border: 1px solid var(--ink); background: var(--ink); color: #fff; padding: 6px 12px; font-size: 13px; text-transform: uppercase; cursor: pointer; }
.site-search button:hover { opacity: 0.85; }
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 36px; height: 36px; padding: 0; border: 0; background: transparent; cursor: pointer; }
.nav-toggle span { display: block; width: 100%; height: 2px; background: var(--ink); }
.hero { position: relative; }
.hero img { width: 100%; max-height: 360px; object-fit: cover; display: block; }
.hero-caption { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.35); color: #fff; text-align: center; padding: 20px; }
.hero-caption h1 { font-size: clamp(24px, 4vw, 42px); text-transform: uppercase; letter-spacing: 0.04em; margin: 0; }
.page-section { padding-top: 48px; padding-bottom: 48px; }
.section-title { text-transform: uppercase; font-size: 13px; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 8px; }
.section-heading { font-size: 28px; margin: 0 0 32px; }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; color: var(--ink); }
.breadcrumb-sep { margin: 0 6px; }
.breadcrumb-current { color: var(--ink); }
.back-link { display: inline-block; margin-bottom: 24px; color: var(--ink); text-decoration: none; font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; }
.back-link::before { content: "\2190"; margin-right: 6px; }
.back-link:hover { text-decoration: underline; }
html[dir="rtl"] .breadcrumb { direction: rtl; }
html[dir="rtl"] .back-link::before { content: "\2192"; margin-right: 0; margin-left: 6px; }
.category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
.category-card { border: 1px solid var(--line); padding: 24px; text-decoration: none; color: var(--ink); transition: box-shadow .15s ease; }
.category-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
.category-card h3 { margin: 0; font-size: 16px; }
.category-count { display: block; margin-top: 4px; font-size: 10px; font-weight: 400; color: #bbbbbb; text-align: left; }
.doc-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.doc-list li { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.doc-title { font-weight: 600; }
.doc-badge { font-size: 11px; text-transform: uppercase; color: var(--muted); border: 1px solid var(--line); padding: 2px 8px; margin-left: 8px; }
.doc-actions a { margin-left: 12px; text-decoration: none; color: var(--ink); border: 1px solid var(--ink); padding: 6px 14px; font-size: 13px; text-transform: uppercase; }
.doc-actions a:hover { background: var(--ink); color: #fff; }
.empty-state { color: var(--muted); padding: 32px 0; }
.site-footer { border-top: 1px solid var(--line); margin-top: 48px; padding: 24px 0; color: var(--muted); font-size: 13px; }
html[dir="rtl"] .main-nav, html[dir="rtl"] .doc-actions a { margin-left: 0; margin-right: 12px; }
html[dir="rtl"] .site-search { flex-direction: row-reverse; }
html[dir="rtl"] .site-search input[type="search"] { border-right: 1px solid var(--line); border-left: 0; }
html[dir="rtl"] body { text-align: right; }
html[dir="rtl"] .doc-list li { flex-direction: row-reverse; }
html[dir="rtl"] .header-inner { flex-direction: row-reverse; }
html[dir="rtl"] .category-card { text-align: right; }
html[dir="rtl"] .hero-caption { text-align: center; }
@media (max-width: 640px) {
    .header-inner { flex-wrap: wrap; }
    .nav-toggle { display: flex; }
    .main-nav { display: none; flex-direction: column; align-items: flex-start; gap: 16px; width: 100%; order: 3; padding-top: 16px; }
    .main-nav.is-open { display: flex; }
    .lang-switch { margin-top: 4px; }
    .site-search { width: 100%; }
    .site-search input[type="search"] { flex: 1 1 auto; width: auto; }
}